[squeak-dev] Vector Graphics (was: Pi performance fun)

Bert Freudenberg bert at freudenbergs.de
Tue May 28 19:58:33 UTC 2013


On 2013-05-28, at 21:05, tim Rowledge <tim at rowledge.org> wrote:

> 
> On 28-05-2013, at 12:14 AM, karl ramberg <karlramberg at gmail.com> wrote:
> 
>> Did you get to discuss this ?
> 
> A little but nowhere near enough.
> 
> Igor has been doing work on Athens, which certainly has promise. There is a demo video at 
> http://www.pharocasts.com/2012/06/athens-and-native-boost-at-work.html
> 
> Clearly what I'm most directly interested in is ways to get the most out of the GPU on a Pi, which is massively faster than the ARM cpu at moving pixels around. I'd also rather like a solution that works on RISC OS as well, which means we ought to try for something which can drive various backends and doesn't totally rely on some unix library. Good practice would be for plain bitblts to still be usable as one of the back ends.


Access to fast blitting is a very different requirement from supporting general vector graphics. It may end up being implemented using a vector graphics library behind the scenes, but the user-visible API would be completely different.

- Bert -




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